In This Topic
Sets threshold of black-white images for current scan session for TWAIN/WIA/SANE/eSCL device.
Syntax
var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);
var returnValue; // Type: any
// Parameters
var value; // Type: number
returnValue = instance.set_Threshold(value);
function set_Threshold(
: number
) : any;
Parameters
- value
- A threshold for black-white images.
Exceptions
| Exception | Description |
|---|
| Thrown if device is not opened OR error occurs during setting value of device capability. |
Remarks
This property sends a synchronous request to set value of WebTwainDeviceCapabilityIdEnumJS.IThreshold capability. If you want to use asynchronous request instead of synchronous request, please set value of WebTwainDeviceCapabilityIdEnumJS.IThreshold capability using WebTwainDeviceJS.setCapabilityAsync or WebTwainDeviceJS.setCapabilitiesAsync function.
Browser Compatibility
See Also
